mirror of https://github.com/ansible/ansible.git
Toshio Kuratomi
10 years ago
commit
d7f5979870
@ -0,0 +1,626 @@
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# (c) 2014, Maciej Delmanowski <drybjed@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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from functools import partial
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try:
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import netaddr
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except ImportError:
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# in this case, we'll make the filters return error messages (see bottom)
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netaddr = None
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else:
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class mac_linux(netaddr.mac_unix):
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pass
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mac_linux.word_fmt = '%.2x'
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from ansible import errors
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# ---- IP address and network query helpers ----
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def _empty_ipaddr_query(v, vtype):
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# We don't have any query to process, so just check what type the user
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# expects, and return the IP address in a correct format
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if v:
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if vtype == 'address':
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return str(v.ip)
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elif vtype == 'network':
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return str(v)
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def _6to4_query(v, vtype, value):
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if v.version == 4:
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if v.size == 1:
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ipconv = str(v.ip)
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elif v.size > 1:
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if v.ip != v.network:
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ipconv = str(v.ip)
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else:
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ipconv = False
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if ipaddr(ipconv, 'public'):
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numbers = list(map(int, ipconv.split('.')))
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try:
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return '2002:{:02x}{:02x}:{:02x}{:02x}::1/48'.format(*numbers)
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except:
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return False
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elif v.version == 6:
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if vtype == 'address':
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if ipaddr(str(v), '2002::/16'):
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return value
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elif vtype == 'network':
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if v.ip != v.network:
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if ipaddr(str(v.ip), '2002::/16'):
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return value
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else:
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return False
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def _ip_query(v):
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if v.size == 1:
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return str(v.ip)
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if v.size > 1:
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if v.ip != v.network:
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return str(v.ip)
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def _gateway_query(v):
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if v.size > 1:
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if v.ip != v.network:
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return str(v.ip) + '/' + str(v.prefixlen)
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def _bool_ipaddr_query(v):
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if v:
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return True
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def _broadcast_query(v):
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if v.size > 1:
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return str(v.broadcast)
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def _cidr_query(v):
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return str(v)
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def _cidr_lookup_query(v, iplist, value):
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try:
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if v in iplist:
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return value
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except:
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return False
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def _host_query(v):
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if v.size == 1:
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return str(v)
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elif v.size > 1:
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if v.ip != v.network:
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return str(v.ip) + '/' + str(v.prefixlen)
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def _hostmask_query(v):
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return str(v.hostmask)
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def _int_query(v, vtype):
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if vtype == 'address':
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return int(v.ip)
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elif vtype == 'network':
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return str(int(v.ip)) + '/' + str(int(v.prefixlen))
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def _ipv4_query(v, value):
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if v.version == 6:
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try:
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return str(v.ipv4())
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except:
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return False
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else:
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return value
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def _ipv6_query(v, value):
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if v.version == 4:
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return str(v.ipv6())
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else:
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return value
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def _link_local_query(v, value):
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v_ip = netaddr.IPAddress(str(v.ip))
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if v.version == 4:
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if ipaddr(str(v_ip), '169.254.0.0/24'):
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return value
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elif v.version == 6:
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if ipaddr(str(v_ip), 'fe80::/10'):
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return value
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def _loopback_query(v, value):
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v_ip = netaddr.IPAddress(str(v.ip))
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if v_ip.is_loopback():
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return value
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def _multicast_query(v, value):
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if v.is_multicast():
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return value
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def _net_query(v):
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if v.size > 1:
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if v.ip == v.network:
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return str(v.network) + '/' + str(v.prefixlen)
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def _netmask_query(v):
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if v.size > 1:
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return str(v.netmask)
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def _network_query(v):
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if v.size > 1:
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return str(v.network)
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def _prefix_query(v):
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return int(v.prefixlen)
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def _private_query(v, value):
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if v.is_private():
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return value
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def _public_query(v, value):
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v_ip = netaddr.IPAddress(str(v.ip))
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if v_ip.is_unicast() and not v_ip.is_private() and \
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not v_ip.is_loopback() and not v_ip.is_netmask() and \
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not v_ip.is_hostmask():
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return value
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def _revdns_query(v):
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v_ip = netaddr.IPAddress(str(v.ip))
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return v_ip.reverse_dns
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def _size_query(v):
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return v.size
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def _subnet_query(v):
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return str(v.cidr)
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def _type_query(v):
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if v.size == 1:
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return 'address'
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if v.size > 1:
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if v.ip != v.network:
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return 'address'
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else:
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return 'network'
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def _unicast_query(v, value):
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if v.is_unicast():
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return value
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def _version_query(v):
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return v.version
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def _wrap_query(v, vtype, value):
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if v.version == 6:
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if vtype == 'address':
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return '[' + str(v.ip) + ']'
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elif vtype == 'network':
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return '[' + str(v.ip) + ']/' + str(v.prefixlen)
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else:
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return value
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# ---- HWaddr query helpers ----
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def _bare_query(v):
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v.dialect = netaddr.mac_bare
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return str(v)
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def _bool_hwaddr_query(v):
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if v:
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return True
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def _cisco_query(v):
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v.dialect = netaddr.mac_cisco
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return str(v)
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def _empty_hwaddr_query(v, value):
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if v:
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return value
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def _linux_query(v):
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v.dialect = mac_linux
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return str(v)
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def _postgresql_query(v):
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v.dialect = netaddr.mac_pgsql
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return str(v)
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def _unix_query(v):
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v.dialect = netaddr.mac_unix
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return str(v)
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def _win_query(v):
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v.dialect = netaddr.mac_eui48
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return str(v)
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# ---- IP address and network filters ----
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def ipaddr(value, query = '', version = False, alias = 'ipaddr'):
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''' Check if string is an IP address or network and filter it '''
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query_func_extra_args = {
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'': ('vtype',),
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'6to4': ('vtype', 'value'),
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'cidr_lookup': ('iplist', 'value'),
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'int': ('vtype',),
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'ipv4': ('value',),
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'ipv6': ('value',),
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'link-local': ('value',),
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'loopback': ('value',),
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'lo': ('value',),
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'multicast': ('value',),
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'private': ('value',),
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'public': ('value',),
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'unicast': ('value',),
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'wrap': ('vtype', 'value'),
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}
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query_func_map = {
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'': _empty_ipaddr_query,
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'6to4': _6to4_query,
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'address': _ip_query,
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'address/prefix': _gateway_query,
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'bool': _bool_ipaddr_query,
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'broadcast': _broadcast_query,
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'cidr': _cidr_query,
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'cidr_lookup': _cidr_lookup_query,
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'gateway': _gateway_query,
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'gw': _gateway_query,
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'host': _host_query,
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'host/prefix': _gateway_query,
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'hostmask': _hostmask_query,
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'hostnet': _gateway_query,
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'int': _int_query,
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'ip': _ip_query,
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'ipv4': _ipv4_query,
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'ipv6': _ipv6_query,
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'link-local': _link_local_query,
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'lo': _loopback_query,
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'loopback': _loopback_query,
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'multicast': _multicast_query,
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'net': _net_query,
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'netmask': _netmask_query,
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'network': _network_query,
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'prefix': _prefix_query,
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'private': _private_query,
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'public': _public_query,
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'revdns': _revdns_query,
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'router': _gateway_query,
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'size': _size_query,
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'subnet': _subnet_query,
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'type': _type_query,
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'unicast': _unicast_query,
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'v4': _ipv4_query,
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'v6': _ipv6_query,
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'version': _version_query,
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'wrap': _wrap_query,
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}
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vtype = None
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if not value:
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return False
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elif value == True:
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return False
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# Check if value is a list and parse each element
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elif isinstance(value, (list, tuple)):
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_ret = []
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for element in value:
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if ipaddr(element, str(query), version):
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_ret.append(ipaddr(element, str(query), version))
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if _ret:
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return _ret
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else:
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return list()
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# Check if value is a number and convert it to an IP address
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elif str(value).isdigit():
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# We don't know what IP version to assume, so let's check IPv4 first,
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# then IPv6
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try:
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if ((not version) or (version and version == 4)):
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v = netaddr.IPNetwork('0.0.0.0/0')
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v.value = int(value)
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v.prefixlen = 32
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elif version and version == 6:
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v = netaddr.IPNetwork('::/0')
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v.value = int(value)
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v.prefixlen = 128
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# IPv4 didn't work the first time, so it definitely has to be IPv6
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except:
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try:
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v = netaddr.IPNetwork('::/0')
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v.value = int(value)
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v.prefixlen = 128
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# The value is too big for IPv6. Are you a nanobot?
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except:
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return False
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# We got an IP address, let's mark it as such
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value = str(v)
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vtype = 'address'
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# value has not been recognized, check if it's a valid IP string
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else:
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try:
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v = netaddr.IPNetwork(value)
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# value is a valid IP string, check if user specified
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# CIDR prefix or just an IP address, this will indicate default
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# output format
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try:
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address, prefix = value.split('/')
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vtype = 'network'
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except:
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vtype = 'address'
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# value hasn't been recognized, maybe it's a numerical CIDR?
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except:
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try:
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address, prefix = value.split('/')
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address.isdigit()
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address = int(address)
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prefix.isdigit()
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prefix = int(prefix)
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# It's not numerical CIDR, give up
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except:
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return False
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# It is something, so let's try and build a CIDR from the parts
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try:
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v = netaddr.IPNetwork('0.0.0.0/0')
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v.value = address
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v.prefixlen = prefix
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# It's not a valid IPv4 CIDR
|
||||
except:
|
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try:
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v = netaddr.IPNetwork('::/0')
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v.value = address
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v.prefixlen = prefix
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|
||||
# It's not a valid IPv6 CIDR. Give up.
|
||||
except:
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return False
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|
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# We have a valid CIDR, so let's write it in correct format
|
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value = str(v)
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vtype = 'network'
|
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|
||||
# We have a query string but it's not in the known query types. Check if
|
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# that string is a valid subnet, if so, we can check later if given IP
|
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# address/network is inside that specific subnet
|
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try:
|
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### ?? 6to4 and link-local were True here before. Should they still?
|
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if query and (query not in query_func_map or query == 'cidr_lookup') and ipaddr(query, 'network'):
|
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iplist = netaddr.IPSet([netaddr.IPNetwork(query)])
|
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query = 'cidr_lookup'
|
||||
except:
|
||||
pass
|
||||
|
||||
# This code checks if value maches the IP version the user wants, ie. if
|
||||
# it's any version ("ipaddr()"), IPv4 ("ipv4()") or IPv6 ("ipv6()")
|
||||
# If version does not match, return False
|
||||
if version and v.version != version:
|
||||
return False
|
||||
|
||||
extras = []
|
||||
for arg in query_func_extra_args.get(query, tuple()):
|
||||
extras.append(locals()[arg])
|
||||
try:
|
||||
return query_func_map[query](v, *extras)
|
||||
except KeyError:
|
||||
try:
|
||||
float(query)
|
||||
if v.size == 1:
|
||||
if vtype == 'address':
|
||||
return str(v.ip)
|
||||
elif vtype == 'network':
|
||||
return str(v)
|
||||
|
||||
elif v.size > 1:
|
||||
try:
|
||||
return str(v[query]) + '/' + str(v.prefixlen)
|
||||
except:
|
||||
return False
|
||||
|
||||
else:
|
||||
return value
|
||||
|
||||
except:
|
||||
raise errors.AnsibleFilterError(alias + ': unknown filter type: %s' % query)
|
||||
|
||||
return False
|
||||
|
||||
|
||||
def ipwrap(value, query = ''):
|
||||
try:
|
||||
if isinstance(value, (list, tuple)):
|
||||
_ret = []
|
||||
for element in value:
|
||||
if ipaddr(element, query, version = False, alias = 'ipwrap'):
|
||||
_ret.append(ipaddr(element, 'wrap'))
|
||||
else:
|
||||
_ret.append(element)
|
||||
|
||||
return _ret
|
||||
else:
|
||||
_ret = ipaddr(value, query, version = False, alias = 'ipwrap')
|
||||
if _ret:
|
||||
return ipaddr(_ret, 'wrap')
|
||||
else:
|
||||
return value
|
||||
|
||||
except:
|
||||
return value
|
||||
|
||||
|
||||
def ipv4(value, query = ''):
|
||||
return ipaddr(value, query, version = 4, alias = 'ipv4')
|
||||
|
||||
|
||||
def ipv6(value, query = ''):
|
||||
return ipaddr(value, query, version = 6, alias = 'ipv6')
|
||||
|
||||
|
||||
# Split given subnet into smaller subnets or find out the biggest subnet of
|
||||
# a given IP address with given CIDR prefix
|
||||
# Usage:
|
||||
#
|
||||
# - address or address/prefix | ipsubnet
|
||||
# returns CIDR subnet of a given input
|
||||
#
|
||||
# - address/prefix | ipsubnet(cidr)
|
||||
# returns number of possible subnets for given CIDR prefix
|
||||
#
|
||||
# - address/prefix | ipsubnet(cidr, index)
|
||||
# returns new subnet with given CIDR prefix
|
||||
#
|
||||
# - address | ipsubnet(cidr)
|
||||
# returns biggest subnet with given CIDR prefix that address belongs to
|
||||
#
|
||||
# - address | ipsubnet(cidr, index)
|
||||
# returns next indexed subnet which contains given address
|
||||
def ipsubnet(value, query = '', index = 'x'):
|
||||
''' Manipulate IPv4/IPv6 subnets '''
|
||||
|
||||
try:
|
||||
vtype = ipaddr(value, 'type')
|
||||
if vtype == 'address':
|
||||
v = ipaddr(value, 'cidr')
|
||||
elif vtype == 'network':
|
||||
v = ipaddr(value, 'subnet')
|
||||
|
||||
value = netaddr.IPNetwork(v)
|
||||
except:
|
||||
return False
|
||||
|
||||
if not query:
|
||||
return str(value)
|
||||
|
||||
elif str(query).isdigit():
|
||||
vsize = ipaddr(v, 'size')
|
||||
query = int(query)
|
||||
|
||||
try:
|
||||
float(index)
|
||||
index = int(index)
|
||||
|
||||
if vsize > 1:
|
||||
try:
|
||||
return str(list(value.subnet(query))[index])
|
||||
except:
|
||||
return False
|
||||
|
||||
elif vsize == 1:
|
||||
try:
|
||||
return str(value.supernet(query)[index])
|
||||
except:
|
||||
return False
|
||||
|
||||
except:
|
||||
if vsize > 1:
|
||||
try:
|
||||
return str(len(list(value.subnet(query))))
|
||||
except:
|
||||
return False
|
||||
|
||||
elif vsize == 1:
|
||||
try:
|
||||
return str(value.supernet(query)[0])
|
||||
except:
|
||||
return False
|
||||
|
||||
return False
|
||||
|
||||
|
||||
# ---- HWaddr / MAC address filters ----
|
||||
|
||||
def hwaddr(value, query = '', alias = 'hwaddr'):
|
||||
''' Check if string is a HW/MAC address and filter it '''
|
||||
|
||||
query_func_extra_args = {
|
||||
'': ('value',),
|
||||
}
|
||||
query_func_map = {
|
||||
'': _empty_hwaddr_query,
|
||||
'bare': _bare_query,
|
||||
'bool': _bool_hwaddr_query,
|
||||
'cisco': _cisco_query,
|
||||
'eui48': _win_query,
|
||||
'linux': _linux_query,
|
||||
'pgsql': _postgresql_query,
|
||||
'postgresql': _postgresql_query,
|
||||
'psql': _postgresql_query,
|
||||
'unix': _unix_query,
|
||||
'win': _win_query,
|
||||
}
|
||||
|
||||
try:
|
||||
v = netaddr.EUI(value)
|
||||
except:
|
||||
if query and query != 'bool':
|
||||
raise errors.AnsibleFilterError(alias + ': not a hardware address: %s' % value)
|
||||
|
||||
extras = []
|
||||
for arg in query_func_extra_args.get(query, tuple()):
|
||||
extras.append(locals()[arg])
|
||||
try:
|
||||
return query_func_map[query](v, *extras)
|
||||
except KeyError:
|
||||
raise errors.AnsibleFilterError(alias + ': unknown filter type: %s' % query)
|
||||
|
||||
return False
|
||||
|
||||
def macaddr(value, query = ''):
|
||||
return hwaddr(value, query, alias = 'macaddr')
|
||||
|
||||
def _need_netaddr(f_name, *args, **kwargs):
|
||||
raise errors.AnsibleFilterError('The {0} filter requires python-netaddr be'
|
||||
' installed on the ansible controller'.format(f_name))
|
||||
|
||||
# ---- Ansible filters ----
|
||||
|
||||
class FilterModule(object):
|
||||
''' IP address and network manipulation filters '''
|
||||
filter_map = {
|
||||
# IP addresses and networks
|
||||
'ipaddr': ipaddr,
|
||||
'ipwrap': ipwrap,
|
||||
'ipv4': ipv4,
|
||||
'ipv6': ipv6,
|
||||
'ipsubnet': ipsubnet,
|
||||
|
||||
# MAC / HW addresses
|
||||
'hwaddr': hwaddr,
|
||||
'macaddr': macaddr
|
||||
}
|
||||
|
||||
def filters(self):
|
||||
if netaddr:
|
||||
return self.filter_map
|
||||
else:
|
||||
# Need to install python-netaddr for these filters to work
|
||||
return dict((f, partial(_need_netaddr, f)) for f in self.filter_map)
|
||||
Loading…
Reference in New Issue